Control Valve Body Replacement for Opel Insignia NB (Global Epsilon) 2009

1. Remove control valve body cover. Refer to Control Valve Body Cover Replacement.



2. Detach the wiring harness for the solenoid valves. (The illustration shows how to use a screwdriver for detaching the different connectors.)




•	Detach 8 connectors from the solenoid valves (1).





•	Unplug the 2 connectors from the engine speed sensors. (2)

•	Remove the wiring harness from the 2 retaining clips. (3)

3. Unplug the engine speed sensor connectors.

Detach the connectors from the two mountings. (4)

4. Remove the temperature sensor.




•	Remove the screw. (1)

•	Lift away the attaching plate. (2)

•	Remove the temperature sensor (3)

5. Move the wiring harness for the solenoid valves and the wiring harness for the engine speed sensors aside.



6. Remove the cover (1).

•	Remove the screws. (2)

•	Remove the gasket. (3)




7. Remove the valve housing.

•	Undo the fasteners in the specified order.

•	Remove the fasteners.

8. Lower the car to the floor.



9. Unhook the clutch rod. (1)

Note: The ducts are filled with oil.

10. Carefully lift the valve housing upwards.

1. Clean the sealing surfaces.



2. Clean the threads. (arrows)
3. Install the valve housing.




•	Hook in the clutch rod. (1)

•	Install 6 fasteners.

4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
5. Install the cover.




•	Install a new gasket. (3)

•	Install the cover. (1)

•	Install two screws. (2)




6. Finish fitting the valve housing.

Caution: Refer to Fastener Caution in the Preface section.

7. Tighten the 8 fasteners (arrows) in the specified order.

Tighten
10 N·m (88 lb in)




8. Install the temperature sensor (3).

•	Moisten the temperature sensor O-ring with gearbox oil.

•	Install the attaching plate (2).

•	Tighten the fastener (1).

Tighten
10 N·m (88 lb in)




9. Plug in the engine speed sensor connectors.

Attach the connectors to the two mountings (4).

10. Plug in the connector for the solenoid valves.

•	Secure the wiring harness in the 2 retaining clips (3).

•	Plug in the 2 connectors for the engine speed sensors (2).





•	Plug in the 8 connectors for the solenoid valves (1).

11. Install control valve body. Refer to Control Valve Body Cover Replacement.
12. Lower the vehicle.